package com.sky.controller.admin;

import com.sky.annotation.Log;
import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping
    @ApiOperation("新增菜品")
    @Log
    public Result save(@RequestBody DishDTO dishDTO){
        dishService.saveWithFlavor(dishDTO);
        //清除redis中的对应分类id的缓存数据
        String key = "dish_"+ dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return  Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询接口：",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    @Log
    public Result deleteBatch(@RequestParam List<Long> ids){
        log.info("菜品批量删除：",ids);
        dishService.deleteBatch(ids);
        //为了不麻烦，将菜品缓存数据都清理，dish_开头的数据
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 按菜品id来获取菜品与口味数据
     * @param id
     * @return
     */
    @GetMapping("/{id}")//动态传递的路径参数
    @ApiOperation("获取菜品与口味数据")
    public Result<DishVO> getDishWithFlavorById(@PathVariable Long id){
        log.info("根据id查询菜品:{}",id);
        DishVO dishVO = dishService.getDishWithFlavorById(id);
        return Result.success(dishVO);
    }

    /**
     *  修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    @Log
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //用于其修改会影响一份或者两份数据
        //为了不麻烦，将菜品缓存数据都清理，dish_开头的数据
        cleanCache("dish_*");
        return Result.success();
    }
    /**
     * 启用、禁用分类
     * @param status
     * @param id
     */
    @PostMapping("/status/{status}")
    @ApiOperation("启用禁用分类")
    public Result<String> startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);
        //为了不麻烦，将菜品缓存数据都清理，dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }
    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId){
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);//查询启售中的菜品
        List<DishVO> list = dishService.listWithFlavor(dish);

        return Result.success(list);
    }

    /**
     * 统一清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
